TD42 Aircon bearing

Just wondering has anybody got experience in replacing a aircon pulley bearing on a TD42 ?
Mine is very noisy after some river crossings, and the noise is x50 when the aircon actually gets turned on / clutch engages.
It's only a matter of time before it completely dries and posibbly seizes.

I spoke to Mudski and hes replaced his on the ZD30 several times. Hes given me some good pointers. But doing some searching and after talking to Patrolapart today the ones on a TD apparently are a whole different ball game. Patrolapart does have a bearing listed around $40, for a TD42 but he cannot tell me whether it is for any specific TD42, like GQ or GU?

It's either that OR get a whole new compressor unit, upwards of $1000 + labour/re-gas etc.

no experience but mines going through the same symtoms of late. Apparently the compressor is relatively easy to replace yourself and then its just a matter of getting the system gassed. The quotes I've had start around the same price for a mechanics workshop to do the job.

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Originally Posted by Hodge

Just wondering has anybody got experience in replacing a aircon pulley bearing on a TD42 ?
Mine is very noisy after some river crossings, and the noise is x50 when the aircon actually gets turned on / clutch engages.
It's only a matter of time before it completely dries and posibbly seizes.

I spoke to Mudski and hes replaced his on the ZD30 several times. Hes given me some good pointers. But doing some searching and after talking to Patrolapart today the ones on a TD apparently are a whole different ball game. Patrolapart does have a bearing listed around $40, for a TD42 but he cannot tell me whether it is for any specific TD42, like GQ or GU?

It's either that OR get a whole new compressor unit, upwards of $1000 + labour/re-gas etc.

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These guys are cheap enough and have a good warranty , just keep your receipt , $585 was the first one I seen not sure how many types they stock .

Would be better if I included the link I suppose .

http://stores.ebay.com.au/auto8/AIR-...sub=2699055011

I dont think the td compressor is much different to the ZD to be honest. All compressors work in the same fashion, they all require an idler bearing.
Attachment 73227
And looking at the td compressor, yeah it looks a little different to the zd pump, but i can see the front cover will come off the compressor just the same as the ZD one. You remove the centre bolt, and use three 6mm bolts and evenly wind them in the end cap,(theres 3 threaded holes in the cap for this) and the pulley will come off the shaft. Press out the old bearing and press in the new.

You can get the bearing from just about any bearing service too. Which are closer than Patrol a part

Google and YouTube mate that's how I did mine. The same process on my tb45 as Mark has explained.

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Originally Posted by gubigfish

no experience but mines going through the same symtoms of late. Apparently the compressor is relatively easy to replace yourself and then its just a matter of getting the system gassed. The quotes I've had start around the same price for a mechanics workshop to do the job.

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Cheers mate. The compressor as a unit is easy enough to take off and back on. But providing it needs re-gassing, if it came down to that I'd just send it to a workshop anyway.
I'd like to get it done while on the motor and not touch the gas side. Radiator off and all to give access.

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Originally Posted by mudski

I dont think the td compressor is much different to the ZD to be honest. All compressors work in the same fashion, they all require an idler bearing.
http://www.nissanpatrol.com.au/forum...id=73227&stc=1
And looking at the td compressor, yeah it looks a little different to the zd pump, but i can see the front cover will come off the compressor just the same as the ZD one. You remove the centre bolt, and use three 6mm bolts and evenly wind them in the end cap,(theres 3 threaded holes in the cap for this) and the pulley will come off the shaft. Press out the old bearing and press in the new.

You can get the bearing from just about any bearing service too. Which are closer than Patrol a part

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The reason I thought they were attacked differently is when I rang up Patrolapart the bloke said it's a completely different process as the ZD ones clutch kick in/out has a different mechanism in front of the pulley or something like that...

So belt off, then the bolt in the middle. And then you find ordinary 6mm bolts and do them up in sync in the captive thread holes i've circled??
So where does the gear puller come into it ???

http://www.nissanpatrol.com.au/forum...id=73228&stc=1

No gear pulley needed.
Screwing in the three screws pull it out. I used 6x55 cap screws from memory. I see if I can dip up what I used tonight.

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Originally Posted by jay see

No gear pulley needed.
Screwing in the three screws pull it out. I used 6x55 cap screws from memory. I see if I can dip up what I used tonight.

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ON the ZD pump John you need the gear puller to remove the pulley itself. The 3 bolts remove the front plate. I assume it will be the same for this pump maybe.

Yeah I reckon your right. It was a while ago when I did mine.
Sorry for the bump steer Eric.

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